./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:59,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:59,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:59,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:59,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:59,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:59,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:59,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:59,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:59,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:59,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:59,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:59,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:59,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:59,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:59,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:59,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:59,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:59,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:59,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:59,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:59,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:59,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:59,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:59,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:59,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:59,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:59,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:59,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:59,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:59,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:59,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:59,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:59,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2023-11-19 04:04:00,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:00,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:00,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:00,315 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:00,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:00,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2023-11-19 04:04:03,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:03,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:03,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2023-11-19 04:04:03,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/data/e4ad3910c/737a71abaa064193bacae650d15afc67/FLAG31e829f3b [2023-11-19 04:04:03,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/data/e4ad3910c/737a71abaa064193bacae650d15afc67 [2023-11-19 04:04:03,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:03,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:03,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:03,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:03,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:03,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:03" (1/1) ... [2023-11-19 04:04:03,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34db8c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:03, skipping insertion in model container [2023-11-19 04:04:03,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:03" (1/1) ... [2023-11-19 04:04:03,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:04,099 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2023-11-19 04:04:04,163 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2023-11-19 04:04:04,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:04,339 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:04,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2023-11-19 04:04:04,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2023-11-19 04:04:04,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:04,482 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:04,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04 WrapperNode [2023-11-19 04:04:04,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:04,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:04,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:04,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:04,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,622 INFO L138 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1136 [2023-11-19 04:04:04,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:04,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:04,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:04,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:04,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:04,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:04,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:04,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:04,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:04" (1/1) ... [2023-11-19 04:04:04,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:04,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:04,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057f497b-6c6c-416c-9378-a05a307e80cf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 04:04:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 04:04:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 04:04:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 04:04:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 04:04:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 04:04:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 04:04:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 04:04:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 04:04:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 04:04:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 04:04:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 04:04:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 04:04:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 04:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 04:04:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 04:04:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 04:04:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 04:04:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 04:04:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 04:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 04:04:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 04:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 04:04:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 04:04:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 04:04:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 04:04:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 04:04:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 04:04:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 04:04:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 04:04:05,011 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:05,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:06,204 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:06,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:06,987 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-19 04:04:07,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:07 BoogieIcfgContainer [2023-11-19 04:04:07,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:07,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:07,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:07,020 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:07,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:07" (1/1) ... [2023-11-19 04:04:07,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 291 states and 435 transitions. [2023-11-19 04:04:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 435 transitions. [2023-11-19 04:04:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:07,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 299 states and 445 transitions. [2023-11-19 04:04:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 445 transitions. [2023-11-19 04:04:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:07,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 312 states and 470 transitions. [2023-11-19 04:04:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 470 transitions. [2023-11-19 04:04:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:09,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 307 states and 457 transitions. [2023-11-19 04:04:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 457 transitions. [2023-11-19 04:04:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:04:10,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 317 states and 477 transitions. [2023-11-19 04:04:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 477 transitions. [2023-11-19 04:04:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:04:10,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 500 transitions. [2023-11-19 04:04:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 500 transitions. [2023-11-19 04:04:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:04:11,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 329 states and 499 transitions. [2023-11-19 04:04:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 499 transitions. [2023-11-19 04:04:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:04:11,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 334 states and 507 transitions. [2023-11-19 04:04:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 507 transitions. [2023-11-19 04:04:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:04:11,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 342 states and 523 transitions. [2023-11-19 04:04:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 523 transitions. [2023-11-19 04:04:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:04:12,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 349 states and 533 transitions. [2023-11-19 04:04:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 533 transitions. [2023-11-19 04:04:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:04:13,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:13,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:04:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 350 states and 536 transitions. [2023-11-19 04:04:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 536 transitions. [2023-11-19 04:04:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:04:13,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:13,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 360 states and 558 transitions. [2023-11-19 04:04:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 558 transitions. [2023-11-19 04:04:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:04:14,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:04:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 361 states and 559 transitions. [2023-11-19 04:04:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 559 transitions. [2023-11-19 04:04:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:04:14,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 383 states and 603 transitions. [2023-11-19 04:04:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 603 transitions. [2023-11-19 04:04:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:04:18,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:04:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 387 states and 608 transitions. [2023-11-19 04:04:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 608 transitions. [2023-11-19 04:04:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:04:18,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 387 states and 606 transitions. [2023-11-19 04:04:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 606 transitions. [2023-11-19 04:04:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:19,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:23,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 395 states and 624 transitions. [2023-11-19 04:04:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 624 transitions. [2023-11-19 04:04:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:23,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 402 states and 640 transitions. [2023-11-19 04:04:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 640 transitions. [2023-11-19 04:04:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:24,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 410 states and 655 transitions. [2023-11-19 04:04:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 655 transitions. [2023-11-19 04:04:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:26,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 411 states and 659 transitions. [2023-11-19 04:04:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 659 transitions. [2023-11-19 04:04:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:27,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 413 states and 664 transitions. [2023-11-19 04:04:27,834 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 664 transitions. [2023-11-19 04:04:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:27,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 420 states and 688 transitions. [2023-11-19 04:04:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 688 transitions. [2023-11-19 04:04:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:04:28,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:04:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 425 states and 696 transitions. [2023-11-19 04:04:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 696 transitions. [2023-11-19 04:04:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:04:29,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 426 states and 699 transitions. [2023-11-19 04:04:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 699 transitions. [2023-11-19 04:04:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:29,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:29,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 431 states and 711 transitions. [2023-11-19 04:04:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 711 transitions. [2023-11-19 04:04:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:30,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:30,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 433 states and 714 transitions. [2023-11-19 04:04:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 714 transitions. [2023-11-19 04:04:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:31,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 438 states and 726 transitions. [2023-11-19 04:04:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 726 transitions. [2023-11-19 04:04:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:31,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 440 states and 729 transitions. [2023-11-19 04:04:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 729 transitions. [2023-11-19 04:04:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:32,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:32,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 442 states and 732 transitions. [2023-11-19 04:04:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 732 transitions. [2023-11-19 04:04:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:34,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 448 states and 743 transitions. [2023-11-19 04:04:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 743 transitions. [2023-11-19 04:04:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:35,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 454 states and 760 transitions. [2023-11-19 04:04:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 760 transitions. [2023-11-19 04:04:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:36,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 456 states and 764 transitions. [2023-11-19 04:04:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 764 transitions. [2023-11-19 04:04:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:37,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:37,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 460 states and 771 transitions. [2023-11-19 04:04:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 771 transitions. [2023-11-19 04:04:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 466 states and 788 transitions. [2023-11-19 04:04:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 788 transitions. [2023-11-19 04:04:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:38,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:38,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 472 states and 799 transitions. [2023-11-19 04:04:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 799 transitions. [2023-11-19 04:04:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:04:39,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 472 states and 798 transitions. [2023-11-19 04:04:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 798 transitions. [2023-11-19 04:04:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:04:40,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 479 states and 808 transitions. [2023-11-19 04:04:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 808 transitions. [2023-11-19 04:04:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:04:40,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:40,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 480 states and 811 transitions. [2023-11-19 04:04:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 811 transitions. [2023-11-19 04:04:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:04:41,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 481 states and 814 transitions. [2023-11-19 04:04:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 814 transitions. [2023-11-19 04:04:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:42,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:42,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 481 states and 813 transitions. [2023-11-19 04:04:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 813 transitions. [2023-11-19 04:04:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:04:42,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:42,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 494 states and 837 transitions. [2023-11-19 04:04:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 837 transitions. [2023-11-19 04:04:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:44,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:04:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 501 states and 855 transitions. [2023-11-19 04:04:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 855 transitions. [2023-11-19 04:04:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:46,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 502 states and 858 transitions. [2023-11-19 04:04:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 858 transitions. [2023-11-19 04:04:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:04:46,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 507 states and 868 transitions. [2023-11-19 04:04:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 868 transitions. [2023-11-19 04:04:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:04:47,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:04:48,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 508 states and 870 transitions. [2023-11-19 04:04:48,110 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 870 transitions. [2023-11-19 04:04:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:04:48,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:48,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.